Yes. According to the Georgia Wildlife Federation, there are two species of weasels in Georgia: the Least Weasel (Mustela nivalis) and the Long-tailed Weasel (Mustela frenata).
No
yes weasels live in grasslands
Yes they are, My small dog drug one in just last week. You can type in Weasels in Ohio and read about them. I live in Southeastern Ohio. They are really pretty. We had over 35 chickens killed in one night in our hen house when I was younger by one or a few weasels. They are fast, and hungry.
No, there are no weasels in Ireland. There are stoats, which some people mistake for weasels, but there are no actual weasels in Ireland.
does least weasels travel in groups
yes
Anywhere
Long & Short-Hair weasels The Least Weasel
yes
Weasels live in nooks and crannies, holes on trees and under rocks.
Yes, in varying areas of the Island. I've seen a few weasels for myself on the island.
No. Weasels are neither native to Australia, nor have they been introduced to Australia. Weasels have been introduced to New Zealand, but New Zealand is not part of Australia. It is a totally separate country.